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NumRadar WhatsApp number check API pricing: POST /bulk

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67% complete: 4 of the 6 fields on our checklistSee the 6 fields
$2.026per 1,000 phones€1.80 per 1,000 phones is $2.026 at the European Central Bank's rate of $1.1253 for €1.We haven't run a WhatsApp number check API benchmark yet.We rank 99 plans for WhatsApp number check APIs by price. Half the plans cost $3.20 or less per 1,000 phones. This plan costs less per 1,000 phones than 53% of the 99 plans.ZelNum's $500 pack costs the least per 1,000 phones: $0.043. Wawp's €39 yearly plan costs the least for 10,000 phones a month: about $3.66.
Type a number to see the cheapest NumRadar plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: Starter one of NumRadar's 5 plans
Call: POST /bulk one of NumRadar's 2 calls
API: WhatsApp number check API NumRadar's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 4 of the 6 fields on our checklist. On WhatsApp, Business account, WhatsApp ID, Place.
  • A monthly subscription. You pay €9 a month for 5,000 results. Calls stop once your results run out. Unused results expire at the end of the month.
  • One call. You send phones or file to POST /bulk. The call returns a job. You fetch the answer once the job is done. Or the provider sends the answer to your webhook.
  • Who can get it: anyone with a confirmed email address. Keep data: no limit. Use data: with conditions.

NumRadar: WhatsApp number check API alternatives

NumRadar alternatives: other WhatsApp number check API providers by price

We list other providers' plans closest to this plan in price per 1,000 phones.

This planNumRadar, €9 monthly, Starter, POST /bulkWaliChat, $99.90 monthly2Chat, $480 yearly, Basic Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check NumberRapiwa, $5 monthlyiBlueText, top-up
$ per 1,000 phones$2.026$1.998$2.00$2.00$2.00
Completeness67%67%83%17%17%
Billingmonthlymonthlyyearlymonthlypay first
Pay€9$99.90$480$5any amount
Enough for5,000 results a month50,000 calls a month20,000 calls a month2,500 calls a monthas many as you pay for
Freshnessunknownliveliveunknownunknown
Who can get itanyone with a confirmed email addressanyoneanyone with a WhatsApp number connected to 2Chat, for use in the course of a business activityanyoneanyone at least 18 with authority to bind their business, who verifies their phone number

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

  1. api.numradar.app/v1/plans
  2. numradar.app
  3. numradar.app/docs
  4. numradar.app/docs.md
  5. numradar.app/openapi.json
  6. numradar.app/pricing
  7. numradar.app/pricing.md
  8. numradar.app/privacy
  9. numradar.app/terms

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • On WhatsApp
  • Business account
  • WhatsApp profile, not in the answer
  • WhatsApp ID
  • Formats, not in the answer
  • Place
Price
$ per 1,000 phones$2.026
Perresult
Billingmonthly
$ a month$10.13
Charges
Also pays fornothing else
Overage
Units caphard
Not found
$ per 1,000 calls that find nothing$0.00
In their words
Their pitchFind out which phone numbers are registered on WhatsApp. Upload a contact list, use the API, connect an AI agent, or check numbers in Chrome.
Data
What it checksnumbering plan, messaging apps
Keep datano limit
Use dataYou agree not to use NumRadar: To facilitate unsolicited messaging, bulk automated spam, harassment, or unlawful marketing communications under the TCPA, ePrivacy Directive, GDPR, or applicable regional telecommunication laws. [...] To scrape, harvest, or aggregate phone numbers without lawful authorization or consent from the data subjects. [...] To bypass, interfere with, or attempt to overload our rate limits, security safeguards, or infrastructure. [...] To reverse-engineer, decompile, or create derivative competitive works targeting the underlying validation engine. [...] Where you submit phone numbers or other personal data relating to third parties, you act as the controller of that data [...] You are responsible for having a lawful basis to submit the data you send us.
Plan
Pay€9
You get5,000 results a month
Enough for5,000 results a month
Expiresend of the month
Rate limit
Per second0.083 (5 a minute)
Concurrent1
Batch5,000
Speed
Answerby polling or webhook
The call
You sendone of phones or file
MethodPOST
Path/bulk
About the plan
PlanStarter
Who can get itanyone with a confirmed email address
The 41 fields the plan's answer can hold

job ID, job status, numbers submitted, unique numbers, numbers processed, registered count, not registered count, invalid count, error count, validations from prepaid balance, job created at, job finished at, job expires at, job expired at, paused by, stop requested, excluded count, data deleted by, waiting, row number, number status, input number, phone number, valid, registered on WhatsApp, WhatsApp ID, WhatsApp Business account, business name, business verification level, WhatsApp Business API, small business account, WhatsApp link, line type, WhatsApp sendable, country code, country name, country prefix, country flag, country currency, country languages, country timezones

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